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Head-to-head Updated May 2026

Bridgestone Potenza S001 RFT vs Pirelli P Zero PZ4 Run Flat — Compared (May 2026)

Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.

Tire A Bridgestone

Bridgestone Potenza S001 RFT

Summer Max Performance tires

Bridgestone Potenza S001 RFT tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
65/100
79 owner reviews
Dry
76
Wet
63
Snow
50
Comfort
54
Noise
85
Treadwear
74
Handling
66

Prices change daily — check the retailer for your size.

VS
Pirelli P Zero PZ4 Run Flat tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
51/100
Owner ratings
Dry
90
Wet
80
Snow
–
Comfort
73
Noise
71
Treadwear
56
Handling
89

Prices change daily — check the retailer for your size.

VerdictWinner: Pirelli P Zero PZ4 Run Flat — better handling, comfort and wet. Pick the Bridgestone Potenza S001 RFT if treadwear and noise matter most to you.
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Category breakdown

7 categories, side by side

Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.

Dry

Weight: Neutral
Score (0–100) P Zero PZ4 Run Flat leads by 14
A — Bridgestone Potenza S001 RFT
76
B — Pirelli P Zero PZ4 Run Flat
90
Why this score
SourcePotenza S001 RFTP Zero PZ4 Run Flat
Tire Rack owners 91 –
Tyre Reviews owners 73 –

Wet

Weight: Important
Score (0–100) P Zero PZ4 Run Flat leads by 17
A — Bridgestone Potenza S001 RFT
63
B — Pirelli P Zero PZ4 Run Flat
80
Why this score
SourcePotenza S001 RFTP Zero PZ4 Run Flat
Tire Rack owners 85 –
Tyre Reviews owners 59 –

Snow

Weight: Neutral
Score (0–100)
A — Bridgestone Potenza S001 RFT
50
B — Pirelli P Zero PZ4 Run Flat
–

Comfort

Weight: Neutral
Score (0–100) P Zero PZ4 Run Flat leads by 19
A — Bridgestone Potenza S001 RFT
54
B — Pirelli P Zero PZ4 Run Flat
73
Why this score
SourcePotenza S001 RFTP Zero PZ4 Run Flat
Tire Rack owners 79 –
Tyre Reviews owners 49 –

Noise

Weight: Neutral
Score (0–100) Potenza S001 RFT leads by 14
A — Bridgestone Potenza S001 RFT
85
B — Pirelli P Zero PZ4 Run Flat
71

Treadwear

Weight: Important
Score (0–100) Potenza S001 RFT leads by 18
A — Bridgestone Potenza S001 RFT
74
B — Pirelli P Zero PZ4 Run Flat
56
Why this score
SourcePotenza S001 RFTP Zero PZ4 Run Flat
Tire Rack owners 73 –
Tyre Reviews owners 74 –

Handling

Weight: Neutral
Score (0–100) P Zero PZ4 Run Flat leads by 23
A — Bridgestone Potenza S001 RFT
66
B — Pirelli P Zero PZ4 Run Flat
89
Why this score
SourcePotenza S001 RFTP Zero PZ4 Run Flat
Tyre Reviews owners 66 –

Scores at a glance

Bridgestone Potenza S001 RFT vs Pirelli P Zero PZ4 Run Flat: scores by category (0–100)
CategoryBridgestone Potenza S001 RFTPirelli P Zero PZ4 Run Flat
Relative Score 69 75
Dry 76 90
Wet 63 80
Snow 50 –
Comfort 54 73
Noise 85 71
Treadwear 74 56
Handling 66 89

Higher is better. The Relative Score follows your weights below; category scores do not change.

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Weight the categories that matter to you

Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.

Neutral
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Important
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Neutral
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Neutral
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Recomputed
Headline score

Tire A

Tire B

Only categories both tires have data for count toward the headline score.

From owners

Pros, cons & observations

Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.

Tire A Bridgestone Potenza S001 RFT

The Bridgestone Potenza S001 RFT is a polarizing run-flat tire that excels in longevity and dry-road steering feedback but frequently draws criticism for its harsh ride quality and inconsistent wet-weather performance. While many users appreciate its durability and ability to handle road hazards, a significant portion of owners report high noise levels and a lack of confidence in damp or wet conditions.

Pros

  • Exceptional tread life and durability
  • Precise steering feedback and handling responsiveness
  • Strong dry-road grip
  • Reliable run-flat safety performance

Cons

  • Poor wet-weather traction and hydroplaning resistance
  • High levels of road noise and cabin vibration
  • Harsh, stiff ride quality over road imperfections
  • Tendency to tramline on uneven surfaces

Observations

  • Users with BMW M-performance models frequently report that the tire's stiff sidewall compromises the vehicle's intended handling balance and comfort.
  • Drivers of 18-inch and 19-inch low-profile setups report the most significant complaints regarding ride harshness and vulnerability to pothole damage.
  • Owners of vehicles with S-Line or M-Sport suspension setups sometimes find the tire's stiffness acceptable, as it aligns with the vehicle's inherently firm factory tuning.
Tire B Pirelli P Zero PZ4 Run Flat

Not enough owner reviews yet to extract themes.

Specifications

Specs side by side

Attribute A · Bridgestone Potenza S001 RFT B · Pirelli P Zero PZ4 Run Flat
CategorySummer Max Performance tires—
Vehicle typePassenger Car / Crossover—
Sizes available14—
Rim diameters17″ – 21″—
Tread depth9/32″—
UTQG280 A A—
SidewallBlackwall—
Max pressure51 psi—
Final verdict

Which one should you actually buy?

Bridgestone

Pirelli

Winner: Pirelli P Zero PZ4 Run Flat — better handling, comfort and wet. Pick the Bridgestone Potenza S001 RFT if treadwear and noise matter most to you.

Pick tire B You enjoy sharp, responsive handling

Pirelli P Zero PZ4 Run Flat scores 89 vs 66 on handling.

Pick tire B You want the most comfortable ride

Pirelli P Zero PZ4 Run Flat scores 73 vs 54 on comfort.

Pick tire A You want the longest tread life

Bridgestone Potenza S001 RFT scores 74 vs 56 on treadwear.

Pick tire B Your priority is wet-weather safety

Pirelli P Zero PZ4 Run Flat scores 80 vs 63 on wet.

Tire A · Bridgestone Potenza S001 RFT
Tire B · Pirelli P Zero PZ4 Run Flat

How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.

Community buzz from Reddit and forums is shown for context only — it never changes the score.